The common special controllers for circle making machines have the following characteristics:

1. Chinese character LCD display, with two language options: Simplified Chinese and English.

2.12 sets of screen specification data are saved, and diameter or length are automatically converted. Dynamic graphic bar, output status display.

3. It can set the number of processing times and alarm outputs, and has a cumulative counting function.

4. Each controller has an independent number, which allows users to set the number of times it can be used and the total number of times it can be queried.